## How to disable Windows Defender in Windows 10 1903 and later ##
#### https://docs.microsoft.com/en-us/windows-hardware/customize/desktop/unattend/security-malware-windows-defender-disableantispyware "DisableAntiSpyware" is discontinued and will be ignored on client devices, as of version 1903. ####
- Restart in SAFE MODE
- Execute: ```optimizer.exe /disabledefender```
-OR-
- Execute: ```optimizer.exe /restart=disabledefender``` and let Optimizer do the rest automatically
## How to re-enable Windows Defender ##
- Restart in SAFE MODE
- Execute: ```optimizer.exe /enabledefender```
-OR-
- Execute: ```optimizer.exe /restart=enabledefender``` and let Optimizer do the rest automatically
## How to restart in SAFE MODE / NORMAL easily ##
- ```optimizer.exe /restart=safemode```
- ```optimizer.exe /restart=normal```
## Display version info from command line using:
- ```optimizer.exe /version```
## You may disable specific tools for troubleshooting purposes ##
#### Available list: ####
* Hardware inspection utility (```indicium```)
* Common Apps downloader tool (```apps```)
* HOSTS Editor tool (```hosts```)
* UWP Apps Uninstaller (```uwp```)
* Startup items tool (```startup```)
* Cleaner utility (```cleaner```)
* Integrator tool (```integrator```)
* Pinger tool (```pinger```)
#### Examples ####
- ```optimizer.exe /disable=indicium,uwp```
- ```optimizer.exe /disable=indicium,uwp,hosts```
## Disable or Reset svchost process splitting mechanism ##
### Reduces the amount of svchost processes running, improving RAM usage ###
### To disable it, you need to provide your amount of RAM using this command (example for 8GB RAM): ###
optimizer.exe /svchostsplit=8```
## Reset Optimizer configuration might fix it when can't open ##
optimizer.exe /repair```
optimizer.exe /disablehpet
- optimizer.exe /enablehpet